So the courses I took - -actually I took some English history obviously - I took no American history which would be the field I did in the PHD, but I took a lot of courses in philosophy, in literature.

所以我选了一些课程,当然我选修了英国历史-,但我没有学美国历史,因为那是我博士时的课程，但我选了很多哲学和文学方面的课程。

普林斯顿公开课 - 人性课程节选

You might say, well what's the person who studied chemical metallurgy doing teaching chemistry here? Well, after my Ph.D., MIT I came here as a postdoctoral fellow in 1977.

你们可能会问，这个学习,化学冶金学的人怎么会在这教,化学呢，好吧，在我拿到博士学位后，1977年我作为一名博士后来到了。

麻省理工公开课 - 固态化学导论课程节选